Book Chapter
Year of Publication
	
  						1998			      
Book Title
	
  						M. J. Mac, P. A. Opler, C. E. Puckett Haecker, and P. D. Doran (eds.). National Status and Trends of the Nation's Biological Resources			      
Number of Pages
	
  						1-22			      
Publisher
	
  						U.S. Department of the Interior, U.S. Geological Survey, Washington, D. C..